return {
  "nvim-treesitter/nvim-treesitter",
  build = ":TSUpdate",
  config = function ()
    local configs = require("nvim-treesitter.configs")

    configs.setup({
      -- A list of parser names, or "all"
      ensure_installed = { "c", "cpp", "python", "java", "lua", "html", "css", "vue", "javascript", "typescript", "tsx", "json" },

      -- Install parsers synchronously (only applied to `ensure_installed`)
      sync_install = false,

      -- Automatically install missing parsers when entering buffer
      -- Recommendation: set to false if you don't have `tree-sitter` CLI installed locally
      auto_install = true,

      -- List of parsers to ignore installing (for "all")
      ignore_install = { },

      ---- If you need to change the installation directory of the parsers (see -> Advanced Setup)
      -- parser_install_dir = "/some/path/to/store/parsers", -- Remember to run vim.opt.runtimepath:append("/some/path/to/store/parsers")!

      highlight = {
        -- `false` will disable the whole extension
        enable = true,

        -- NOTE: these are the names of the parsers and not the filetype. (for example if you want to
        -- disable highlighting for the `tex` filetype, you need to include `latex` in this list as this is
        -- the name of the parser)
        -- list of language that will be disabled
        --disable = { },
        -- Or use a function for more flexibility, e.g. to disable slow treesitter highlight for large files
        --disable = function(lang, buf)
        --    local max_filesize = 100 * 1024 -- 100 KB
        --    local ok, stats = pcall(vim.loop.fs_stat, vim.api.nvim_buf_get_name(buf))
        --    if ok and stats and stats.size > max_filesize then
        --        return true
        --    end
        --end,

        -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
        -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
        -- Using this option may slow down your editor, and you may see some duplicate highlights.
        -- Instead of true it can also be a list of languages
        additional_vim_regex_highlighting = false,
      },

      -- 增量选择(按下面设置的快捷键测试了一下,暂时没有打算用这个东西...)
      incremental_selection = {
        enable = true,
        keymaps = {
          init_selection = "gnn", -- set to `false` to disable one of the mappings
          node_incremental = "grn",
          scope_incremental = "grc",
          node_decremental = "grm",
        },
      },

      -- 实验性质特性,启用代码格式化
      indent = {
        enable = true
      },
    })
    -- 折叠设置 --
    -- 折叠快捷键 <Z-C>折叠 <Z-O>打开折叠
    -- z当作折叠的象形文字或拼音折叠开头字母都能很好记忆,c为close,o为open
    --vim.o.nofoldenable =   -- Disable folding at startup. 这设置没用???
    vim.o.foldlevel = 99 --这个不知道啥玩意能实现默认不折叠...
    vim.o.foldmethod= 'expr'
    vim.o.foldexpr = 'nvim_treesitter#foldexpr()'
    -- Highlight the @foo.bar capture group with the "Identifier" highlight group 不知道有啥用
    --vim.api.nvim_set_hl(0, "@foo.bar", { link = "Identifier" })
    -- 设置nvim-treesitter高亮切换快捷键(没啥用,注销了)
    --vim.api.nvim_set_keymap('n', '<F4>', ':TSBufToggle highlight<CR>', {noremap = true, silent = true})

  end
}
